<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        body {
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            background-image: url(https://i.loli.net/2019/11/17/GAYyzeKsiWjP5qO.jpg);
            background-size: cover;
            background-position: center;
        }

        .frosted-glass {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 72vw;
            height: 36vh;
            /* 毛玻璃效果  */
            backdrop-filter: blur(20px);
            transition: 0.5s ease;
        }

        /* 鼠标移入加上阴影效果 */
        .frosted-glass:hover {
            box-shadow: 3px 3px 3px 2px rgba(0, 0, 0, 0.3);
        }

        .frosted-glass .title {
            padding-left: 0.375em;
            font-size: 4em;
            font-family: Lato, sans-serif;
            font-weight: 400;
            letter-spacing: 0.75em;
            color: white;
        }
    </style>
</head>

<body>
    <div class="frosted-glass">
        <h1 class="title">sakura</h1>
    </div>
</body>

</html>